synchronous scanning imaging system

An imaging system and synchronous scanning technology, applied in the parts of TV systems, image communication, TV and other directions, can solve the problems of difficult to guarantee stability, high requirements for driving mechanical precision, slow imaging speed, etc., to achieve fast scanning imaging, The effect of reducing the volume of the backscatter area and improving the image quality

Active Publication Date: 2019-03-29
GUILIN UNIV OF ELECTRONIC TECH
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Problems solved by technology

In the past, a single photodetection device such as a photomultiplier tube was used to perform two-dimensional scanning drive, or a linear array CCD was scanned by one-dimensional axial rotation or translation. The imaging speed was slow and the precision of the driving mechanism was high. also difficult to guarantee

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[0024] In order to understand the above-mentioned purpose, features and advantages of the present invention more clearly, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

[0025] In the following description, many specific details are set forth in order to fully understand the present invention. However, the present invention can also be implemented in other ways than described here. Therefore, the protection scope of the present invention is not limited by the specific implementation disclosed below. Example limitations.

[0026] Refer below Figure 1 to Figure 8 for further description.

[0027] Such as figure 1 As shown in 1(c), a synchronous scanning imaging system includes an illumination device with a light source and a...

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Abstract

The present invention provides a synchronous scanning imaging system for imaging under artificial lighting conditions, comprising lighting equipment and imaging equipment with CMOS image sensors, and all located on the same side of the scanning imaging target, the imaging equipment and the lighting The distance between devices is greater than 1 / 2 of the set farthest imaging distance, which is characterized in that the imaging device uses a CMOS image sensor to expose electronic shutters in a rolling manner, and the lighting device is controlled to emit a linear or narrow-band illumination beam to scan the imaging target area line by line And it is synchronized with the rolling exposure of the imaging device. The synchronous scanning imaging system provided by the invention reduces the volume of the backscattering area of ​​the illumination light, and realizes convenient and fast synchronous scanning control.

Description

technical field [0001] The invention relates to the technical field of imaging equipment, in particular to a synchronous scanning imaging system. Background technique [0002] In environments with strong light scattering such as underwater, heavy fog, or at night, the image quality is seriously affected when the camera collects images with a large amount of scattered light entering the camera lens. This is because the scattered light is divided into forward scattering and back scattering. The forward reflection is the scattering along the direction of light propagation, and the back reflection is the scattering in the opposite direction to the incident light. Artificial lighting is usually used to take pictures at night or in deep water Or video, because the general light source and the camera are on the same side under artificial lighting conditions, the illumination light itself is much stronger than the diffuse reflection light of the imaging target, and the illumination ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/225H04N5/235
CPCH04N23/56H04N23/55H04N23/54H04N23/70
Inventor 何志毅王敦东宋浠瑜陈博雯何宁陈名松
Owner GUILIN UNIV OF ELECTRONIC TECH
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